Core Telephony Engineer

This is a fully remote position, open to applicants in Portugal.

📋 Description

• Design and maintain VoIP-related systems and services.

• Work with SIP, SDP, RTP, and additional voice protocols.

• Set up and oversee Kamailio and FreeSWITCH platforms.

• Assist and troubleshoot voice-related issues (SIP tracing, logs, RTP flow).

• Collaborate with various teams to integrate voice solutions.

• Engage in the software development lifecycle (planning, coding, testing, deploying).

• Contribute to automated deployment processes using tools such as Ansible and Docker (both required); Kubernetes is a plus.

⛳️ Requirements

• In-depth knowledge of VoIP protocols (SIP, SDP, RTP).

• Practical experience with Kamailio and FreeSWITCH.

• Proficient in at least one programming language.

• Familiar with software development tools and processes (Git, CI/CD, testing).

• Experience with Docker and Ansible (both required).

• Capability to investigate and resolve voice-related issues and support tickets.

• Familiarity with monitoring/logging tools (Grafana, Prometheus, ELK).

• Scripting skills (Bash, etc.) for automation tasks.

• Understanding of telecom architecture (SBCs, media gateways, SIP trunks).

• Strong knowledge of networking fundamentals (TCP/IP, NAT, firewalls).

• Experience working within Linux environments.

🏝️ Benefits

• Advance Your Career.

• Experience Flexibility.

• Community & Culture.

• Create an Impact.